Adjustable shoulder holster



FIG. 1 is a front elevational view of an adjustable shoulder holster showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 5. 

The ornamental design for an adjustable shoulder holster, as shown and described. 